#223B8E#223B8E

#223B8E is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.6% C 0.141 H 266.8°. Best body text is #FFFFFF at 10.08:1 contrast (WCAG AA passes).

Color values

HEX	#223B8E
RGB	rgb(34, 59, 142)
HSL	hsl(226, 61%, 35%)
HSV	hsv(226, 76%, 56%)
CMYK	cmyk(76.1%, 58.5%, 0%, 44.3%)
CIE-LAB	lab(27.90, 21.40, -48.80)
CIE-LCH	lch(27.90, 53.28, 293.68°)
OKLab	oklab(38.64% -0.0078 -0.1408)
OKLCH	oklch(38.64% 0.141 266.8)
XYZ	xyz(7.1044, 5.4202, 26.2577)
Luminance	0.0542 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223B8E #8E7522

analogous

#22718E #223B8E #3F228E

triadic

#223B8E #8E223B #3B8E22

tetradic

#223B8E #8E2271 #8E7522 #228E3F

square

#223B8E #8E2271 #8E7522 #228E3F

split-complementary

#223B8E #8E3F22 #718E22

monochromatic

#0A122B #16265D #223B8E #2E50BF #5472D6

Accessibility & contrast

On white

10.08

#223B8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#223B8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223B8E

10.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223B8E	#FFFFFF	#000000	##FFFFFF
##223B8E	1.00	10.08	2.08	10.08
#FFFFFF	10.08	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004791

Deuteranopia (green-blind)

#003D8C

Tritanopia (blue-blind)

#00505E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #223b8e;
/* rgb */ color: rgb(34, 59, 142);
/* oklch */ color: oklch(38.6% 0.141 266.8);

Tailwind

colors: {
  custom: {
    50: '#6e70b0',
    500: '#223b8e',
    950: '#000000',
  },
}

SCSS

$custom: #223b8e;
$custom-light: #6e70b0;
$custom-dark: #000000;

JSON

{
  "hex": "#223b8e",
  "rgb": {
    "r": 34,
    "g": 59,
    "b": 142
  },
  "hsl": {
    "h": 226.111,
    "s": 61.364,
    "l": 34.51
  },
  "oklch": {
    "l": 0.38642,
    "c": 0.14099,
    "h": 266.8
  },
  "luminance": 0.05421
}

Semantic roles & 50–950 ramp

primary

#223B8E

secondary

#BAA252

accent

#BF43E4

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #223B8E

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →